The type of placenta found in human beings is of type

Identify the stages $A$ and $B$; and what is the correct labelling of $C$ and $D$ in the process of human embryonic development?

Embryologists can presume the future organs of the embryo in

The three germ layers—ectoderm,endoderm,and mesoderm—are formed by the division of the embryo. Identify the error in the given statement regarding the process of organogenesis mediated by stem cells.

From which layer of the embryo do the liver and pancreas develop?

The blastula stage lacks which of the following?